A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Design of a Replacement Fibre-reinforced Polymer Footbridge
Saxe Street footbridge is a new glass Fibre-Reinforced Polymer (FRP) footbridge designed by WSP on behalf of Balfour Beatty on a Design & Build contract with Network Rail. The new FRP footbridge replaces a wrought iron iron footbridge built in 1884 that was suffering from extensive corrosion.
The new bridge carries a footpath over the Great Western Railway line in Teignmouth (UK) and consists of a single 12.7 m span simply supported deck made with pultruded FRP modular panels and connections and clad in moulded FRP panels. The design solution combined rapid and safe installation with a considerable reduction in future maintenance requirements that provided economic, operational and sustainability benefits.
This paper presents some of the challenges faced during the design stages. These challenges include understanding the effects of the material’s behavior on the robustness and serviceability of the structure, together with its effects on the substructure and local site.
Site-specific challenges were encountered due to the lightweight nature and low stiffness of the new footbridge, linked to the structure’s location over a railway and the stability of the existing substructure.
The new and old footbridges are shown in Fig. 1a and Fig. 1b respectively.
Design of a Replacement Fibre-reinforced Polymer Footbridge
Saxe Street footbridge is a new glass Fibre-Reinforced Polymer (FRP) footbridge designed by WSP on behalf of Balfour Beatty on a Design & Build contract with Network Rail. The new FRP footbridge replaces a wrought iron iron footbridge built in 1884 that was suffering from extensive corrosion.
The new bridge carries a footpath over the Great Western Railway line in Teignmouth (UK) and consists of a single 12.7 m span simply supported deck made with pultruded FRP modular panels and connections and clad in moulded FRP panels. The design solution combined rapid and safe installation with a considerable reduction in future maintenance requirements that provided economic, operational and sustainability benefits.
This paper presents some of the challenges faced during the design stages. These challenges include understanding the effects of the material’s behavior on the robustness and serviceability of the structure, together with its effects on the substructure and local site.
Site-specific challenges were encountered due to the lightweight nature and low stiffness of the new footbridge, linked to the structure’s location over a railway and the stability of the existing substructure.
The new and old footbridges are shown in Fig. 1a and Fig. 1b respectively.
Design of a Replacement Fibre-reinforced Polymer Footbridge
Lecture Notes in Civil Engineering
Ilki, Alper (editor) / Ispir, Medine (editor) / Inci, Pinar (editor) / Nuti, Enrico (author) / Fleischmann-Allen, Sam (author) / Chambers, Mark (author)
International Conference on Fibre-Reinforced Polymer (FRP) Composites in Civil Engineering ; 2021 ; Istanbul, Turkey
10th International Conference on FRP Composites in Civil Engineering ; Chapter: 56 ; 646-656
2021-11-27
11 pages
Article/Chapter (Book)
Electronic Resource
English
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